Quote:
Originally Posted by stbm5
My 0.02 is that stock sounds damn good at 0.00 and nothing sounds 5-9000 better. If cost wasn't a factor I'd say that the eisenmann race sounds the best. No way does the capristo sound best.
I'm too lazy to look it up but what, if any, are claimed performance gains?
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At stock boost levels the Stock M exhaust is very efficient in flow. My X5M gained zero with Akrapovic (that I would buy again) It’s a sound mod.